Re: [Xen-devel] emulated tsc and frequency info

To:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] emulated tsc and frequency info
From:	Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
Date:	Tue, 20 Jul 2010 14:43:13 +0200
Cc:	Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 07/20/2010 02:28 PM, Keir Fraser wrote:

On 20/07/2010 12:52, "Juergen Gross"<juergen.gross@xxxxxxxxxxxxxx>  wrote:

with xen 4.0 and xen-unstable I see weird tsc information in my HVM-domain
with PV-driver, if xen chooses to emulate tsc (d->arch.vtsc is set):


correction: only xen 4.0 is affected!
xen-unstable does the scaling correctly.


Is it still a problem with the latest 4.0.1 RC (or tip of xen-4.0-testing)?


Looking at hvm_get_guest_tsc() it should be okay, too.
Sorry for the noise :-(


Juergen

--
Juergen Gross                 Principal Developer Operating Systems
TSP ES&S SWE OS6                       Telephone: +49 (0) 89 3222 2967
Fujitsu Technology Solutions              e-mail: juergen.gross@xxxxxxxxxxxxxx
Domagkstr. 28                           Internet: ts.fujitsu.com
D-80807 Muenchen                 Company details: ts.fujitsu.com/imprint.html

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Re: [Xen-devel] emulated tsc and frequency info